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公开(公告)号:US1954959A
公开(公告)日:1934-04-17
申请号:US49912630
申请日:1930-11-29
Applicant: STANDARD OIL DEV CO
Inventor: STRATFORD REGINALD K , DOOHAN WILLIAM P
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2.
公开(公告)号:US1904173A
公开(公告)日:1933-04-18
申请号:US27962028
申请日:1928-05-21
Applicant: STANDARD OIL DEV CO
Inventor: STRATFORD REGINALD K , DOOHAN WILLIAM P
IPC: C10G19/00
CPC classification number: C10G19/00
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